There are 1 owner-reported engine complaints for the 2021 Volvo XC40in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2021 Volvo XC40. The contact stated that while driving approximately 30 MPH, the vehicle unintendedly decelerated. The contact was able to pull into a nearby parking lot where the vehicle stalled. The vehicle was towed to the dealer, who diagnosed the cause of the failure and repaired the vehicle. The contact believed that the battery and drive train were repaired. Approximately 2 to 3 years later, while driving approximately 20 MPH, the vehicle started shaking, lost motive power, and stalled. Law Enforcement arrived on the scene, and while assisting with moving the vehicle from the middle of the road became aware that coolant was leaking underneath the vehicle. The vehicle was towed to the dealer, who diagnosed the vehicle with coolant intrusion into the engine. The contact was informed that the inverter drive system and wiring harness had caused a catastrophic drive failure. The vehicle was not repaired. The manufacturer was made aware of the failure, and a case was opened. The failure mileage was approximately 10,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026